Allegany County Climate
Allegany County, New York
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
45.6°F
Annual Precip
40.3"
Annual Snowfall
76.4"
Extreme Heat Days
3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5b
Minimum winter temperature range for plant survival
2,074
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Allegany County
Climate Verdict
Allegany County has a cool, averaging 45.6°F annually, moderately wet with 40.3 inches of annual precipitation, rare extreme heat with only 3.425 days above 90°F annually, heavy winter snowfall averaging 76.4 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 22.4°F. summers are pleasantly cool with July averaging 67.4°F. The 45°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Allegany County closely matches the New York statewide average temperature of 47.5°F, it is somewhat drier than average for New York.
Climate Profile
About Allegany County Weather
Allegany's Place in the National Climate
Allegany County is significantly cooler than much of the U.S., with an annual average temperature of 45.6°F. This reflects a classic northern continental climate characterized by long, cold winters and short, mild summers.
One of New York's Cooler Southern Tier Counties
At 45.6°F, Allegany stays nearly two degrees cooler than the New York state average of 47.4°F. It ranks among the chillier counties in the Southern Tier region due to its elevation and geography.
Cooler and Steadier Than Its Neighbors
Allegany is cooler than nearby Cattaraugus County, which averages 45.9°F. While both counties see plenty of winter weather, Allegany experiences fewer extreme heat days, averaging only 3 days above 90°F annually.
Heavy Snow and Refreshing Summers
Winter dominates the calendar with 76.4 inches of snow and a frigid January average of 22.4°F. Summer provides a brief respite, with July temperatures peaking at a comfortable average of 67.4°F.
Focus on Winter Resilience
Winter tires and high-quality insulation are essential for the 76 inches of snow and sub-freezing winter averages. Air conditioning is rarely a necessity here, as the county only sees 3 days of extreme heat per year.
Frequently Asked Questions
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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.